Creating Portal Neurotoxin Gas

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Introduction

This guide will teach you how to create neurotoxin gas.

Note:For anyone who wants to complete this page, please finish Creating Vents because the neurotoxin vents in the boss fight room are the exact same shape as the normal vents seen throughout the BTS areas.

Creating the Gas

Create an info_particle_system and set it's particle to human_cleanser. Set its position outside the vent.

Note:If your gas must activate instantenously on map spawn, then make sure you set the Start Active keyvalue to Yes.

Set the info_particle_system's name to home_neurotoxin_pipe_stream.

Timer

Todo: Finish the rest of the guide

See Also

• Portal Level Creation

• Creating Vents